After publication of this work [1], we noticed that as Dr Rosario Angelica was added as an author late in the process, details were inadvertently omitted from the "Authors' contributions" and "Competing interests" sections of the article. These have now been modified accordingly.
Open Access
This article is published under license to BioMed Central Ltd. This is an Open Access article is distributed under the terms of the Creative Commons Attribution License (
https://creativecommons.org/licenses/by/2.0
), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Competing interests
The authors declare that they have no competing interests.
Authors' contributions
MP conceived and directed the project. CdP, MR (Ge), GPT, AdC, KHG, AF, AG designed some of the experiments. MR (CT), DB, LRD, MRG, AM, RA, VG, AR, ET, MM, BB, ID, SF, AL, CB, RG, AP carried out experiments. MP and MR (Ge) wrote the paper.